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LTC1732EMS-4.2#TRPBF PDF预览

LTC1732EMS-4.2#TRPBF

更新时间: 2024-09-24 21:17:59
品牌 Logo 应用领域
凌特 - Linear 电池光电二极管
页数 文件大小 规格书
12页 173K
描述
LTC1732-4 & 4.2 - Lithium-Ion Linear Battery Charger Controller; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

LTC1732EMS-4.2#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:MSOP包装说明:TSSOP, TSSOP10,.19,20
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.12可调阈值:NO
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER最大输入电压:12 V
最小输入电压:4.5 V标称输入电压:6 V
JESD-30 代码:S-PDSO-G10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP10,.19,20封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 mm
最大供电电流 (Isup):3 mA最大供电电压 (Vsup):12 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):6 V
表面贴装:YES切换器配置:SINGLE
温度等级:INDUSTRIAL端子面层:Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL阈值电压标称:+4.05V
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LTC1732EMS-4.2#TRPBF 数据手册

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LTC1732-4/LTC1732-4.2  
Lithium-Ion Linear  
Battery Charger Controller  
U
FEATURES  
DESCRIPTIO  
The LTC®1732 is a complete constant-current/constant-  
voltage linear charger controller for lithium-ion  
(Li-Ion)batteries.Nickel-cadmium(NiCd)andnickelmetal-  
hydride (NiMH) batteries can also be charged with con-  
stant current using external termination. Charge current  
can be programmed with 7% (max) accuracy using exter-  
nal sense and program resistors. An internal resistor  
divider and precision reference set the final float voltage  
with 1% accuracy. The SEL pin allows users to charge  
either 4.1V or 4.2V cells.  
Complete Linear Charger Controller for 1-Cell  
Lithium-Ion Batteries  
Preset Charge Voltage with 1% Accuracy  
Programmable Charge Current  
C/10 Charge Current Detection Output  
Programmable Charge Termination Timer  
Small, Thin 10-Pin MSOP Package  
Select Pin Charges 4.1V or 4.2V Cells (LTC1732-4)  
Input Supply (Wall Adapter) Detection Output  
4.5V to 12V Input Voltage Range  
Automatic Sleep Mode When Input Supply  
Whentheinputsupplyisremoved,theLTC1732automati-  
callyentersalowcurrentsleepmode,droppingthebattery  
drain current to 7µA. An internal comparator detects the  
end-of-charge (C/10) condition while a programmable  
timer, using an external capacitor, sets the total charge  
time.Fullydischargedcellsareautomaticallytricklecharged  
at 10% of the programmed current until cell voltage  
exceeds 2.457V.  
is Removed (Only 7µA Battery Drain)  
Automatic Trickle Charge of Low Voltage Cells  
Programmable for Constant-Current-Only Mode  
Battery Insertion Detect  
4.05V Recharge Threshold for 4.2V Cells  
(LTC1732-4.2)  
3.8V Recharge Threshold for 4.1V or 4.2V Cells  
(LTC1732-4)  
TheLTC1732beginsanewchargecyclewhenadischarged  
batteryisconnectedtothechargerorwhentheinputpower  
is applied. In addition, if the battery remains connected to  
the charger and the cell voltage drops below 3.8V for the  
LTC1732-4 or below 4.05V for the LTC1732-4.2, a new  
charge cycle will automatically begin.  
U
APPLICATIO S  
Cellular Phones  
Handheld Computers  
Charging Docks and Cradles  
The LTC1732 is available in the 10-pin MSOP package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Single Cell 4.2V Li-Ion Battery Charger  
V
IN  
= 6V  
MBRM120T3  
8
2
SEL  
R2  
1k  
R
SENSE  
V
1µF  
CC  
0.2Ω  
9
7
R1  
1k  
SENSE  
DRV  
3
Q1  
Si9430DY  
CHRG  
ACPR  
LTC1732-4  
I
= 500mA  
BAT  
10  
4
1
6
BAT  
TIMER PROG  
C
TIMER  
0.1µF  
4.2V  
Li-Ion  
CELL  
GND  
5
+
R
*
PROG  
19.6k  
10µF  
1732 TA01  
*SHUTDOWN INVOKED BY FLOATING THE PROG PIN  
1

LTC1732EMS-4.2#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC1732EMS-4.2#PBF Linear

完全替代

LTC1732-4 & 4.2 - Lithium-Ion Linear Battery Charger Controller; Package: MSOP; Pi

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